License added

Author: akshaybabloo

README.md

@@ -18,6 +18,12 @@ There are two ways to get the data from your Emotiv EPOC device
 	- [4.2 Using `two` (Emotiv EEG)](#42-using-two-emotiv-eeg)
 - [5 Troubleshooting](#5-troubleshooting)
 
+**License**
+
+The code is provided under their respective licenses and the tutorial is provided under [Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License](http://creativecommons.org/licenses/by-nc-sa/4.0/)
+
+![CC](https://i.creativecommons.org/l/by-nc-sa/4.0/88x31.png)
+
 ## 1 Structure
 
 <pre>